Is “Chromaffin” a Scrabble word?
Yes
CHROMAFFIN
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Chromaffin
adjective
1.Having an affinity for (and thus being stained brownish yellow) by chromium salts.